uboot-imx

sunxi: Add H3 dts[i] files

These files are based on the current latest upstream kernel work. The
bus_gates bindings may still change, but for u-boot that does not matter
as we do not (yet) use any clock info from devicetree for sunxi u-boot.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>